Confidence: Medium · Source: FCC ULS · As of 2026-09-12
K5KM callsign genealogy
Currently held by Stuart, John M
The FCC publishes a previous_call_sign on
every amateur license — a self-link to the licensee's prior callsign.
Following those links produces the chain below.
Previous callsigns
Older callsigns held by K5KM's current licensee, walking backwards.
- WARREN, DAVID LTXgranted 2018-11-28cancelled 2019-04-26
Successor callsigns
Callsigns held now by people who previously held K5KM.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign K5KM, oldest first.
- RUCKER JR, LOUIS E AR1996-11-04 → cancelled 2003-12-03
- Stuart, John M NM2016-01-05 → cancelled 2017-04-06
- WARREN, DAVID L TX2019-04-26 active